<template>
  <div>
    <h1>Echarts图表</h1>
    <div style="height: 100vh; width: 70%; margin: 0 auto">
      <div id="myChart" style="width:100%;height:50vh;margin:0 auto;"></div>
    </div>
  </div>

</template>

<script>

// 引入echarts
import * as echarts from 'echarts'
import {onMounted} from "vue";
export default {

  name: "Echarts",

  setup() {
    onMounted(() => { // 需要在页面加载完毕后展示图表，这里使用Vue3的组合式生命周期钩子 onMounted()
      let myChart = echarts.init(document.getElementById("myChart"));
// 设置图表配置项,可以直接从Echarts的示例中，将配置项复制下来后放入下列的myChart.setOption()中实现图表的样式更换
      myChart.setOption({
        title: {
          text: 'Stacked Area Chart'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#6a7985'
            }
          }
        },
        legend: {
          data: ['Email', 'Union Ads', 'Video Ads', 'Direct', 'Search Engine']
        },
        toolbox: {
          feature: {
            saveAsImage: {}
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            type: 'category',
            boundaryGap: false,
            data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ],
        series: [
          {
            name: 'Email',
            type: 'line',
            stack: 'Total',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [120, 132, 101, 134, 90, 230, 210]
          },
          {
            name: 'Union Ads',
            type: 'line',
            stack: 'Total',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [220, 182, 191, 234, 290, 330, 310]
          },
          {
            name: 'Video Ads',
            type: 'line',
            stack: 'Total',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [150, 232, 201, 154, 190, 330, 410]
          },
          {
            name: 'Direct',
            type: 'line',
            stack: 'Total',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [320, 332, 301, 334, 390, 330, 320]
          },
          {
            name: 'Search Engine',
            type: 'line',
            stack: 'Total',
            label: {
              show: true,
              position: 'top'
            },
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [820, 932, 901, 934, 1290, 1330, 1320]
          }
        ]
      });
      window.onresize = function () { // 自适应大小
        myChart.resize();
      };
    });
  }
}
</script>

<style scoped>

</style>